Finding the Fourth Proportional to 730,073.28, 1,093,584 and 587,145.60
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Solution
The fourth proportional to 730,073.28, 1,093,584 and 587,145.60 is: 879,491.21
Step by Step Solution
- Step 1: Write the proportion equation
730,073.28 : 1,093,584 = 587,145.60 : x - Step 2: Convert to fraction form
730,073.28/1,093,584 = 587,145.60/x - Step 3: Cross multiply
730,073.28x = 1,093,584 × 587,145.60 - Step 4: Simplify right side
730,073.28x = 642,093,033,830.40 - Step 5: Solve for x
x = 642,093,033,830.40/730,073.28 - Step 6: Final answer
x = 879,491.21
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.